{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-40987: Remote-file synchronizer in Spring Integration writes server-supplied filename under localDirectory without canonicalization","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-40987","status":"final","version":"1","initial_release_date":"2026-06-11T05:03:32.606Z","current_release_date":"2026-06-11T12:46:24.043Z","revision_history":[{"date":"2026-06-11T05:03:32.606Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"A malicious or compromised FTP/SFTP/SMB server can write arbitrary files anywhere on the client filesystem (outside the configured local-directory) with attacker-controlled content.\n\nAffected versions:\nSpring Integration 7.0.0 through 7.0.4; 6.5.0 through 6.5.8; 6.4.0 through 6.4.11; 6.3.0 through 6.3.14; 5.5.0 through 5.5.20.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-40987 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-40987"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-40987"},{"category":"external","summary":"spring.io","url":"https://spring.io/security/cve-2026-40987"}]},"product_tree":{"branches":[{"category":"vendor","name":"Spring","branches":[{"category":"product_name","name":"Spring Integration","branches":[{"category":"product_version_range","name":">=7.0.0 <7.0.5","product":{"name":"Spring Spring Integration >=7.0.0 <7.0.5","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:spring:spring_integration:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=6.5.0 <6.5.9","product":{"name":"Spring Spring Integration >=6.5.0 <6.5.9","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:spring:spring_integration:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=6.4.0 <6.4.12","product":{"name":"Spring Spring Integration >=6.4.0 <6.4.12","product_id":"CSAFPID-3","product_identification_helper":{"cpe":"cpe:2.3:a:spring:spring_integration:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=6.3.0 <6.3.15","product":{"name":"Spring Spring Integration >=6.3.0 <6.3.15","product_id":"CSAFPID-4","product_identification_helper":{"cpe":"cpe:2.3:a:spring:spring_integration:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=5.5.0 <5.5.21","product":{"name":"Spring Spring Integration >=5.5.0 <5.5.21","product_id":"CSAFPID-5","product_identification_helper":{"cpe":"cpe:2.3:a:spring:spring_integration:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-40987","title":"Remote-file synchronizer in Spring Integration writes server-supplied filename under localDirectory without canonicalization","notes":[{"category":"description","text":"A malicious or compromised FTP/SFTP/SMB server can write arbitrary files anywhere on the client filesystem (outside the configured local-directory) with attacker-controlled content.\n\nAffected versions:\nSpring Integration 7.0.0 through 7.0.4; 6.5.0 through 6.5.8; 6.4.0 through 6.4.11; 6.3.0 through 6.3.14; 5.5.0 through 5.5.20.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L","baseScore":7.1,"baseSeverity":"HIGH"},"products":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 5.5.21, 6.3.15, 6.4.12, 6.5.9, 7.0.5.","product_ids":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5"]}]}]}